In your book Therapeutic Landscapes: An Evidence-Based Approach to Design Healing Gardens and Restorative Outdoor Spaces, co-authored with Naomi Sachs, ASLA, you argue we’re returning to the wisdom of the ancient Greeks, who understood the healing power of nature and mind-body connection. Why has it taken so long to rediscover these essential understandings?

While the understanding was not entirely lost, the medical world needed proof. They were not interested in aesthetic arguments that gardens are “nice” and people appreciate “green views.” Those…